1. Aluminum alloy heat dissipation Aluminum alloy radiator helps to the temperature rise Note 120A, 160A is a double-layer radiator 2. A of signals support the pulse width input of ordinary PWM throttle mode (1-2ms), Oneshot125 (125-250us), Oneshot42 (41.7-833us) and Multshot (5-25us); support all Shot and Preshot digital signals 3. Applicable models X--class UAV/ narrow-arm multi-rotor UAV Color: Black Material: ABS Product Description Model: ESC Remote control peripherals: ESC key Applicable models: X-CLASS drone/ narrow-arm multi-rotor drone Continuous current: 120A Voltage range: both 5-12S Size: 120A-8.2 x 3.4 x 2.1cm Package Contents: 1 x 120A brushless ESC single model aircraft Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.